DAX-3206 270 Mb/s SDI Digital Audio Extractor is a high performance embedded audio extractor for 270 Mbit SDI video signals. It is primarily designed to operate with IRT's DAI-3206 digital audio inserter but will work on any embedded SDI source.
A typical SDI signal may contain up to eight audio pairs arranged in four groups. Each DAX-3206 270 Mb/s SDI Digital Audio Extractor is capable of extracting one audio group (2 AES / 4 analogue) from those available. Selection is made via a front panel local control switch.
The DAX-3206 270 Mb/s SDI Digital Audio Extractor supports AES/EBU synchronous and asynchronous audio at 48 kHz, 20-bit audio data packets.
Both analogue and digital audio outputs are provided so that the one module may be used for all applications in monitoring and processing.
The use of digital audio filtering and 20-bit digital to analogue converters produce studio quality analogue audio and the AES/EBU digital interface allows digital interconnection in either balanced or unbalanced formats.
An audio presence indicator is provided for each group output. If no audio is detected the corresponding output is muted.
The DAX-3206 270 Mb/s SDI Digital Audio Extractor complements the DVC-4112 SDI to analogue video converter for full conversion of SDI signals to analogue video and audio.
The DAX-3206 270 Mb/s SDI Digital Audio Extractor comes configured standard with 110 ohms balanced AES/EBU outputs. 75 ohms unbalanced outputs are available by insertion of links on the rear assembly.
The DAX-3206 270 Mb/s SDI Digital Audio Extractor is fabricated in IRT Electronics ’ standard Eurocard format and may be housed in a variety of IRT Eurocard frames alongside other standard modules.
- Standard 75 W 270 Mbit/s video input
- Standard 75 W 270 Mbit/s video output
- Extracts embedded audio
- (Supports 48 kHz synchronous and asynchronous level A and D audio packet decoding)
- Supports 525 and 625 line standards
- Indicators / external alarms for loss of carrier and audio
- Automatic input equaliser to 250 m
- Four high quality analogue audio outputs
- Two 110 W balanced or 75 ? unbalanced AES outputs
- IRT Eurocard format.